Finding the Fourth Proportional to 982,145.14, 1,355,374.29 and 579,737.14
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Solution
The fourth proportional to 982,145.14, 1,355,374.29 and 579,737.14 is: 800,045.52
Step by Step Solution
- Step 1: Write the proportion equation
982,145.14 : 1,355,374.29 = 579,737.14 : x - Step 2: Convert to fraction form
982,145.14/1,355,374.29 = 579,737.14/x - Step 3: Cross multiply
982,145.14x = 1,355,374.29 × 579,737.14 - Step 4: Simplify right side
982,145.14x = 785,760,814,514.13 - Step 5: Solve for x
x = 785,760,814,514.13/982,145.14 - Step 6: Final answer
x = 800,045.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.